import { assert, describe, it } from "@effect/vitest";import * as Effect from "effect/Effect";import * as Layer from "effect/Layer";import * as Logger from "effect/Logger";import * as PlatformError from "effect/PlatformError";import * as Schema from "effect/Schema";import * as Sink from "effect/Sink";import * as Stream from "effect/Stream";import * as ChildProcess from "effect/unstable/process/ChildProcess";import * as ChildProcessSpawner from "effect/unstable/process/ChildProcessSpawner"; import * as DesktopEnvironment from "../app/DesktopEnvironment.ts";import * as DesktopShellEnvironment from "./DesktopShellEnvironment.ts"; const textEncoder = new TextEncoder(); const isDesktopShellEnvironmentCommandError = Schema.is(  DesktopShellEnvironment.DesktopShellEnvironmentCommandError,); function envOutput(values: Readonly<Record<string, string>>): string {  return Object.entries(values)    .flatMap(([name, value]) => [      `__T3CODE_ENV_${name}_START__`,      value,      `__T3CODE_ENV_${name}_END__`,    ])    .join("\n");} function makeProcess(output: string): ChildProcessSpawner.ChildProcessHandle {  const stdout = output.length === 0 ? Stream.empty : Stream.make(textEncoder.encode(output));  return ChildProcessSpawner.makeHandle({    pid: ChildProcessSpawner.ProcessId(123),    stdout,    stderr: Stream.empty,    all: stdout,    exitCode: Effect.succeed(ChildProcessSpawner.ExitCode(0)),    isRunning: Effect.succeed(false),    kill: () => Effect.void,    stdin: Sink.drain,    getInputFd: () => Sink.drain,    getOutputFd: () => Stream.empty,    unref: Effect.succeed(Effect.void),  });} function withProcessEnv<A, E, R>(  env: NodeJS.ProcessEnv,  effect: Effect.Effect<A, E, R>,): Effect.Effect<A, E, R> {  return Effect.acquireUseRelease(    Effect.sync(() => {      const previous = process.env;      process.env = env;      return previous;    }),    () => effect,    (previous) =>      Effect.sync(() => {        process.env = previous;      }),  );} function runShellEnvironment(input: {  readonly env: NodeJS.ProcessEnv;  readonly platform: NodeJS.Platform;  readonly handler: (command: ChildProcess.Command) => string;  readonly failure?: PlatformError.PlatformError;}) {  const environmentLayer = Layer.succeed(    DesktopEnvironment.DesktopEnvironment,    DesktopEnvironment.DesktopEnvironment.of({      platform: input.platform,    } as DesktopEnvironment.DesktopEnvironment["Service"]),  );  const spawnerLayer = Layer.succeed(    ChildProcessSpawner.ChildProcessSpawner,    ChildProcessSpawner.make((command) =>      input.failure === undefined        ? Effect.succeed(makeProcess(input.handler(command)))        : Effect.fail(input.failure),    ),  );   const program = Effect.gen(function* () {    const shellEnvironment = yield* DesktopShellEnvironment.DesktopShellEnvironment;    yield* shellEnvironment.installIntoProcess;  }).pipe(    Effect.provide(      DesktopShellEnvironment.layer.pipe(        Layer.provide(Layer.mergeAll(environmentLayer, spawnerLayer)),      ),    ),  );   return withProcessEnv(input.env, program);} describe("DesktopShellEnvironment", () => {  it.effect("hydrates PATH and missing SSH_AUTH_SOCK from the login shell on macOS", () =>    Effect.gen(function* () {      const env: NodeJS.ProcessEnv = {        SHELL: "/bin/zsh",        PATH: "/Users/test/.local/bin:/usr/bin",      };      const commands: ChildProcess.Command[] = [];       yield* runShellEnvironment({        env,        platform: "darwin",        handler: (command) => {          commands.push(command);          return envOutput({            PATH: "/opt/homebrew/bin:/usr/bin",            SSH_AUTH_SOCK: "/tmp/secretive.sock",            HOMEBREW_PREFIX: "/opt/homebrew",          });        },      });       assert.equal(commands.length, 1);      assert.equal(commands[0]?._tag === "StandardCommand" ? commands[0].command : "", "/bin/zsh");      assert.equal(env.PATH, "/opt/homebrew/bin:/usr/bin:/Users/test/.local/bin");      assert.equal(env.SSH_AUTH_SOCK, "/tmp/secretive.sock");      assert.equal(env.HOMEBREW_PREFIX, "/opt/homebrew");    }),  );   it.effect("preserves inherited POSIX values when present", () =>    Effect.gen(function* () {      const env: NodeJS.ProcessEnv = {        SHELL: "/bin/zsh",        PATH: "/usr/bin",        SSH_AUTH_SOCK: "/tmp/inherited.sock",      };       yield* runShellEnvironment({        env,        platform: "darwin",        handler: () =>          envOutput({            PATH: "/opt/homebrew/bin:/usr/bin",            SSH_AUTH_SOCK: "/tmp/login-shell.sock",          }),      });       assert.equal(env.PATH, "/opt/homebrew/bin:/usr/bin");      assert.equal(env.SSH_AUTH_SOCK, "/tmp/inherited.sock");    }),  );   it.effect("hydrates PATH and missing SSH_AUTH_SOCK from the login shell on linux", () =>    Effect.gen(function* () {      const env: NodeJS.ProcessEnv = {        SHELL: "/bin/zsh",        PATH: "/usr/bin",      };       yield* runShellEnvironment({        env,        platform: "linux",        handler: () =>          envOutput({            PATH: "/home/linuxbrew/.linuxbrew/bin:/usr/bin",            SSH_AUTH_SOCK: "/tmp/secretive.sock",          }),      });       assert.equal(env.PATH, "/home/linuxbrew/.linuxbrew/bin:/usr/bin");      assert.equal(env.SSH_AUTH_SOCK, "/tmp/secretive.sock");    }),  );   it.effect("falls back to launchctl PATH on macOS when shell probing does not return one", () =>    Effect.gen(function* () {      const env: NodeJS.ProcessEnv = {        SHELL: "/opt/homebrew/bin/nu",        PATH: "/usr/bin",      };      const commands: string[] = [];       yield* runShellEnvironment({        env,        platform: "darwin",        handler: (command) => {          if (command._tag !== "StandardCommand") return "";          commands.push(command.command);          return command.command === "/bin/launchctl" ? "/opt/homebrew/bin:/usr/bin" : "";        },      });       assert.deepEqual(commands, ["/opt/homebrew/bin/nu", "/bin/zsh", "/bin/launchctl"]);      assert.equal(env.PATH, "/opt/homebrew/bin:/usr/bin");    }),  );   it.effect("loads PowerShell profile environment on Windows", () =>    Effect.gen(function* () {      const env: NodeJS.ProcessEnv = {        PATH: "C:\\Windows\\System32",        APPDATA: "C:\\Users\\testuser\\AppData\\Roaming",        LOCALAPPDATA: "C:\\Users\\testuser\\AppData\\Local",        USERPROFILE: "C:\\Users\\testuser",      };       yield* runShellEnvironment({        env,        platform: "win32",        handler: (command) => {          if (command._tag !== "StandardCommand") return "";          const loadProfile = !command.args.includes("-NoProfile");          return loadProfile            ? envOutput({                PATH: "C:\\Profile\\Node;C:\\Windows\\System32",                FNM_DIR: "C:\\Users\\testuser\\AppData\\Roaming\\fnm",                FNM_MULTISHELL_PATH: "C:\\Users\\testuser\\AppData\\Local\\fnm_multishells\\123",              })            : envOutput({ PATH: "C:\\Custom\\Bin;C:\\Windows\\System32" });        },      });       assert.equal(        env.PATH,        [          "C:\\Profile\\Node",          "C:\\Windows\\System32",          "C:\\Users\\testuser\\AppData\\Roaming\\npm",          "C:\\Users\\testuser\\AppData\\Local\\Programs\\nodejs",          "C:\\Users\\testuser\\AppData\\Local\\Volta\\bin",          "C:\\Users\\testuser\\AppData\\Local\\pnpm",          "C:\\Users\\testuser\\.bun\\bin",          "C:\\Users\\testuser\\scoop\\shims",          "C:\\Custom\\Bin",        ].join(";"),      );      assert.equal(env.FNM_DIR, "C:\\Users\\testuser\\AppData\\Roaming\\fnm");      assert.equal(        env.FNM_MULTISHELL_PATH,        "C:\\Users\\testuser\\AppData\\Local\\fnm_multishells\\123",      );    }),  );   it.effect("logs command failures with safe probe context and the exact cause", () => {    const env: NodeJS.ProcessEnv = {      SHELL: "/bin/bash",      PATH: "/usr/bin",    };    const cause = PlatformError.systemError({      _tag: "PermissionDenied",      module: "ChildProcess",      method: "spawn",      pathOrDescriptor: "/bin/bash",    });    const messages: Array<unknown> = [];    const logger = Logger.make(({ message }) => {      messages.push(message);    });     return runShellEnvironment({      env,      platform: "linux",      handler: () => "",      failure: cause,    }).pipe(      Effect.andThen(        Effect.sync(() => {          const errors = messages            .flatMap((message) => (Array.isArray(message) ? message : [message]))            .filter(isDesktopShellEnvironmentCommandError);          assert.lengthOf(errors, 1);          assert.equal(errors[0]?.probe, "login-shell");          assert.equal(errors[0]?.executable, "bash");          assert.equal(errors[0]?.argumentCount, 2);          assert.notProperty(errors[0] ?? {}, "args");          assert.equal(errors[0]?.cause, cause);          assert.notInclude(errors[0]?.message ?? "", cause.message);        }),      ),      Effect.provide(Logger.layer([logger], { mergeWithExisting: false })),    );  });});